/*
 * Copyright 2000-2014 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.intellij.psi.controlFlow;

import com.intellij.psi.*;
import org.jetbrains.annotations.NotNull;

public class AllVariablesControlFlowPolicy implements ControlFlowPolicy {
  private static final AllVariablesControlFlowPolicy INSTANCE = new AllVariablesControlFlowPolicy();

  @Override
  public PsiVariable getUsedVariable(@NotNull PsiReferenceExpression refExpr) {
      PsiElement resolved = refExpr.resolve();
      return resolved instanceof PsiVariable ? (PsiVariable)resolved : null;
  }

  @Override
  public boolean isParameterAccepted(@NotNull PsiParameter psiParameter) {
    return true;
  }

  @Override
  public boolean isLocalVariableAccepted(@NotNull PsiLocalVariable psiVariable) {
    return true;
  }

  public static AllVariablesControlFlowPolicy getInstance() {
    return INSTANCE;
  }

}
